xtra
/ˈekstrə/ 24As noted, xtra is often used simply as an abbreviation for extra.
noun [专属名词]字母 X
Great for sore throats also. And the xtra bonus, all natural. 对喉咙痛也无效，而且是全自然的！
单词造句:
Great for sore throats also. And the xtra bonus, all natural. 对喉咙痛也无效，而且是全自然的！